static void Main(string[] args) { Console.WriteLine("*********"); FromatNumbericalData(); DisplayMessage(); Console.ReadLine(); } private static void DisplayMessage() { string userMessage = string.Format("1000 in hex is {0:x}", 100000); System.Windows.Forms.MessageBox.Show(userMessage); }
static void Main(string[] args) { Console.WriteLine("*********"); FromatNumbericalData(); Console.ReadLine(); } private static void FromatNumbericalData() { Console.WriteLine("the value 99999 in various formats:"); Console.WriteLine("c format:{0:c}", 99999); Console.WriteLine("d9 fromat:{0:d9}", 99999); Console.WriteLine("f3 format:{0:f3}", 99999); Console.WriteLine("n format:{0:n}", 99999); //十六进制数的大小写形式决定了字母是大写还是小写 Console.WriteLine("E format:{0:E}", 99999); Console.WriteLine("e format:{0:e}", 99999); Console.WriteLine("X format:{0:X}", 99999); Console.WriteLine("x format:{0:x}", 99999); }